package main

import "fmt"

func main() {

	aa1 := [...]int{0, 1, 3, 5, 7, 8}
	sum := 0
	for _, item := range aa1 {
		fmt.Println(item)
		sum += item
	}
	fmt.Println(sum)
	fmt.Println("len: ")
	fmt.Println(len(aa1))
	for i := 1; i < len(aa1); i++ {
		for j := i + 1; j < len(aa1); j++ {
			if aa1[i]+aa1[j] == 8 {
				fmt.Println(aa1[i], aa1[j])
			}
		}
	}

	str := "this is client input >>>> "
	fmt.Println(len(str))
}
